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Updated meshoptimizer.

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This commit is contained in:
Бранимир Караџић
2021-04-08 20:28:39 -07:00
parent b298851bf0
commit 9d076b5e0a
3 changed files with 9 additions and 15 deletions
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2
3rdparty/meshoptimizer/LICENSE.md vendored
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@@ -1,6 +1,6 @@
MIT License
Copyright (c) 2016-2020 Arseny Kapoulkine
Copyright (c) 2016-2021 Arseny Kapoulkine
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

8
3rdparty/meshoptimizer/src/meshoptimizer.h vendored
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@@ -1,7 +1,7 @@
/**
* meshoptimizer - version 0.15
* meshoptimizer - version 0.16
*
* Copyright (C) 2016-2020, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
* Copyright (C) 2016-2021, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
* Report bugs and download new versions at https://github.com/zeux/meshoptimizer
*
* This library is distributed under the MIT License. See notice at the end of this file.
@@ -12,7 +12,7 @@
#include <stddef.h>
/* Version macro; major * 1000 + minor * 10 + patch */
#define MESHOPTIMIZER_VERSION 150 /* 0.15 */
#define MESHOPTIMIZER_VERSION 160 /* 0.16 */
/* If no API is defined, assume default */
#ifndef MESHOPTIMIZER_API
@@ -1004,7 +1004,7 @@ inline void meshopt_spatialSortTriangles(T* destination, const T* indices, size_
#endif
/**
* Copyright (c) 2016-2020 Arseny Kapoulkine
* Copyright (c) 2016-2021 Arseny Kapoulkine
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation

14
3rdparty/meshoptimizer/src/vertexcodec.cpp vendored
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@@ -710,18 +710,12 @@ static v128_t decodeShuffleMask(unsigned char mask0, unsigned char mask1)
SIMD_TARGET
static void wasmMoveMask(v128_t mask, unsigned char& mask0, unsigned char& mask1)
{
v128_t mask_0 = wasm_v32x4_shuffle(mask, mask, 0, 2, 1, 3);
uint64_t mask_1a = wasm_i64x2_extract_lane(mask_0, 0) & 0x0804020108040201ull;
uint64_t mask_1b = wasm_i64x2_extract_lane(mask_0, 1) & 0x8040201080402010ull;
// magic constant found using z3 SMT assuming mask has 8 groups of 0xff or 0x00
const uint64_t magic = 0x000103070f1f3f80ull;
// TODO: This can use v8x16_bitmask in the future
uint64_t mask_2 = mask_1a | mask_1b;
uint64_t mask_4 = mask_2 | (mask_2 >> 16);
uint64_t mask_8 = mask_4 | (mask_4 >> 8);
mask0 = uint8_t(mask_8);
mask1 = uint8_t(mask_8 >> 32);
mask0 = uint8_t((wasm_i64x2_extract_lane(mask, 0) * magic) >> 56);
mask1 = uint8_t((wasm_i64x2_extract_lane(mask, 1) * magic) >> 56);
}
SIMD_TARGET